[Lyme disease]

After a short historical review of the Lyme disease, the author describes the responsible bacteria, a Spirochete called Borrelia. Epidemiology, physiopathology and clinical manifestations are studied, as well as the different phases of the disease (primary secondary and tertiary) and the various possible symptoms (dermatological, cardiovascular, rheumatical, neurological syndrome). The biological part includes isolation of the Bacteria and detection of antibodies (IFI, ELISA, passive hemagglutination and Western Blot). Prophylaxy and treatments are also presented.